Effect analysis of a doubly-fed induction generator participating in system frequency modulation on system transient power angle stability

被引：0
|
作者：
Zhang X. [1 ]
Shu H. [1 ]
Sun S. [1 ]
Zhao W. [1 ]
Yang X. [1 ]
Huang K. [1 ]
机构：
[1] Kunming University of Science and Technology, Kunming
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2021年 / 49卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Controlled current sources; Critical clearing angle; Doubly-fed induction generator; Frequency modulation; Transient power angle stability;
D O I：
10.19783/j.cnki.pspc.200276
中图分类号：
学科分类号：
摘要：
This paper studies an extended dual-machine system with a Doubly-Fed Induction Generator (DFIG), and examines the influence of the frequency regulation of the DFIG on the transient power angle stability of the system. The two-machine system with a DFIG is equal to the single-machine infinity system with a DFIG, taking into account four factors such as wind power ratio, wind turbine grid connection location, fault location, and load access location. The theoretical calculation of the critical clearing angle of the system is carried out using the equal area rule in two cases of before and after the DFIG participating in system frequency modulation, where the DFIG uses an equivalent model of a controlled current source. At the same time, it builds a simulation model of an extended dual-machine system with a DFIG in PSD-BPA to verify the correctness of the theoretical analysis. The results show that a DFIG participating in system frequency modulation is beneficial to the system's transient power angle stability. © 2021 Power System Protection and Control Press.
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页码：18 / 29
页数：11
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